Home / 7,432.50-10,259.28-5,342.70

Finding the Fourth Proportional to 7,432.50, 10,259.28 and 5,342.70

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Solution

The fourth proportional to 7,432.50, 10,259.28 and 5,342.70 is: 7,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.50 : 10,259.28 = 5,342.70 : x
  2. Step 2: Convert to fraction form
    7,432.50/10,259.28 = 5,342.70/x
  3. Step 3: Cross multiply
    7,432.50x = 10,259.28 × 5,342.70
  4. Step 4: Simplify right side
    7,432.50x = 54,812,255.26
  5. Step 5: Solve for x
    x = 54,812,255.26/7,432.50
  6. Step 6: Final answer
    x = 7,374.67

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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.