Home / 7,491.40-10,337.96-4,134.48

Finding the Fourth Proportional to 7,491.40, 10,337.96 and 4,134.48

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Solution

The fourth proportional to 7,491.40, 10,337.96 and 4,134.48 is: 5,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.40 : 10,337.96 = 4,134.48 : x
  2. Step 2: Convert to fraction form
    7,491.40/10,337.96 = 4,134.48/x
  3. Step 3: Cross multiply
    7,491.40x = 10,337.96 × 4,134.48
  4. Step 4: Simplify right side
    7,491.40x = 42,742,088.86
  5. Step 5: Solve for x
    x = 42,742,088.86/7,491.40
  6. Step 6: Final answer
    x = 5,705.49

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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.