Home / 4,342.40-6,497.28-2,885.12

Finding the Fourth Proportional to 4,342.40, 6,497.28 and 2,885.12

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Solution

The fourth proportional to 4,342.40, 6,497.28 and 2,885.12 is: 4,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.40 : 6,497.28 = 2,885.12 : x
  2. Step 2: Convert to fraction form
    4,342.40/6,497.28 = 2,885.12/x
  3. Step 3: Cross multiply
    4,342.40x = 6,497.28 × 2,885.12
  4. Step 4: Simplify right side
    4,342.40x = 18,745,432.47
  5. Step 5: Solve for x
    x = 18,745,432.47/4,342.40
  6. Step 6: Final answer
    x = 4,316.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.