Home / 9,477.56-13,079.04-5,285.81

Finding the Fourth Proportional to 9,477.56, 13,079.04 and 5,285.81

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Solution

The fourth proportional to 9,477.56, 13,079.04 and 5,285.81 is: 7,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.56 : 13,079.04 = 5,285.81 : x
  2. Step 2: Convert to fraction form
    9,477.56/13,079.04 = 5,285.81/x
  3. Step 3: Cross multiply
    9,477.56x = 13,079.04 × 5,285.81
  4. Step 4: Simplify right side
    9,477.56x = 69,133,333.30
  5. Step 5: Solve for x
    x = 69,133,333.30/9,477.56
  6. Step 6: Final answer
    x = 7,294.42

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Double scale
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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.