Home / 5,459.49-7,528.13-3,688.02

Finding the Fourth Proportional to 5,459.49, 7,528.13 and 3,688.02

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Solution

The fourth proportional to 5,459.49, 7,528.13 and 3,688.02 is: 5,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.49 : 7,528.13 = 3,688.02 : x
  2. Step 2: Convert to fraction form
    5,459.49/7,528.13 = 3,688.02/x
  3. Step 3: Cross multiply
    5,459.49x = 7,528.13 × 3,688.02
  4. Step 4: Simplify right side
    5,459.49x = 27,763,875.56
  5. Step 5: Solve for x
    x = 27,763,875.56/5,459.49
  6. Step 6: Final answer
    x = 5,085.43

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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.