Home / 7,344.53-10,130.21-5,187.60

Finding the Fourth Proportional to 7,344.53, 10,130.21 and 5,187.60

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Solution

The fourth proportional to 7,344.53, 10,130.21 and 5,187.60 is: 7,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.53 : 10,130.21 = 5,187.60 : x
  2. Step 2: Convert to fraction form
    7,344.53/10,130.21 = 5,187.60/x
  3. Step 3: Cross multiply
    7,344.53x = 10,130.21 × 5,187.60
  4. Step 4: Simplify right side
    7,344.53x = 52,551,451.46
  5. Step 5: Solve for x
    x = 52,551,451.46/7,344.53
  6. Step 6: Final answer
    x = 7,155.19

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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.