Home / 4,454.61-6,681.96-4,319.28

Finding the Fourth Proportional to 4,454.61, 6,681.96 and 4,319.28

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Solution

The fourth proportional to 4,454.61, 6,681.96 and 4,319.28 is: 6,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.61 : 6,681.96 = 4,319.28 : x
  2. Step 2: Convert to fraction form
    4,454.61/6,681.96 = 4,319.28/x
  3. Step 3: Cross multiply
    4,454.61x = 6,681.96 × 4,319.28
  4. Step 4: Simplify right side
    4,454.61x = 28,861,256.19
  5. Step 5: Solve for x
    x = 28,861,256.19/4,454.61
  6. Step 6: Final answer
    x = 6,478.96

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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.