Home / 7,989.84-11,030.58-5,301.18

Finding the Fourth Proportional to 7,989.84, 11,030.58 and 5,301.18

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Solution

The fourth proportional to 7,989.84, 11,030.58 and 5,301.18 is: 7,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.84 : 11,030.58 = 5,301.18 : x
  2. Step 2: Convert to fraction form
    7,989.84/11,030.58 = 5,301.18/x
  3. Step 3: Cross multiply
    7,989.84x = 11,030.58 × 5,301.18
  4. Step 4: Simplify right side
    7,989.84x = 58,475,090.08
  5. Step 5: Solve for x
    x = 58,475,090.08/7,989.84
  6. Step 6: Final answer
    x = 7,318.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.