Home / 7,313.60-10,088.88-5,542.14

Finding the Fourth Proportional to 7,313.60, 10,088.88 and 5,542.14

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Solution

The fourth proportional to 7,313.60, 10,088.88 and 5,542.14 is: 7,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.60 : 10,088.88 = 5,542.14 : x
  2. Step 2: Convert to fraction form
    7,313.60/10,088.88 = 5,542.14/x
  3. Step 3: Cross multiply
    7,313.60x = 10,088.88 × 5,542.14
  4. Step 4: Simplify right side
    7,313.60x = 55,913,985.40
  5. Step 5: Solve for x
    x = 55,913,985.40/7,313.60
  6. Step 6: Final answer
    x = 7,645.21

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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.