Home / 7,487.87-10,333.32-4,130.79

Finding the Fourth Proportional to 7,487.87, 10,333.32 and 4,130.79

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Solution

The fourth proportional to 7,487.87, 10,333.32 and 4,130.79 is: 5,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.87 : 10,333.32 = 4,130.79 : x
  2. Step 2: Convert to fraction form
    7,487.87/10,333.32 = 4,130.79/x
  3. Step 3: Cross multiply
    7,487.87x = 10,333.32 × 4,130.79
  4. Step 4: Simplify right side
    7,487.87x = 42,684,774.92
  5. Step 5: Solve for x
    x = 42,684,774.92/7,487.87
  6. Step 6: Final answer
    x = 5,700.53

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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.