Home / 7,499.81-10,349.12-4,312.94

Finding the Fourth Proportional to 7,499.81, 10,349.12 and 4,312.94

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Solution

The fourth proportional to 7,499.81, 10,349.12 and 4,312.94 is: 5,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.81 : 10,349.12 = 4,312.94 : x
  2. Step 2: Convert to fraction form
    7,499.81/10,349.12 = 4,312.94/x
  3. Step 3: Cross multiply
    7,499.81x = 10,349.12 × 4,312.94
  4. Step 4: Simplify right side
    7,499.81x = 44,635,112.05
  5. Step 5: Solve for x
    x = 44,635,112.05/7,499.81
  6. Step 6: Final answer
    x = 5,951.50

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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.