Home / 6,432.48-8,885.16-5,317.92

Finding the Fourth Proportional to 6,432.48, 8,885.16 and 5,317.92

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Solution

The fourth proportional to 6,432.48, 8,885.16 and 5,317.92 is: 7,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.48 : 8,885.16 = 5,317.92 : x
  2. Step 2: Convert to fraction form
    6,432.48/8,885.16 = 5,317.92/x
  3. Step 3: Cross multiply
    6,432.48x = 8,885.16 × 5,317.92
  4. Step 4: Simplify right side
    6,432.48x = 47,250,570.07
  5. Step 5: Solve for x
    x = 47,250,570.07/6,432.48
  6. Step 6: Final answer
    x = 7,345.62

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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.