Home / 7,499.78-10,349.40-4,313.10

Finding the Fourth Proportional to 7,499.78, 10,349.40 and 4,313.10

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Solution

The fourth proportional to 7,499.78, 10,349.40 and 4,313.10 is: 5,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.78 : 10,349.40 = 4,313.10 : x
  2. Step 2: Convert to fraction form
    7,499.78/10,349.40 = 4,313.10/x
  3. Step 3: Cross multiply
    7,499.78x = 10,349.40 × 4,313.10
  4. Step 4: Simplify right side
    7,499.78x = 44,637,997.14
  5. Step 5: Solve for x
    x = 44,637,997.14/7,499.78
  6. Step 6: Final answer
    x = 5,951.91

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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.