Home / 6,151.15-8,487.45-3,498.40

Finding the Fourth Proportional to 6,151.15, 8,487.45 and 3,498.40

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Solution

The fourth proportional to 6,151.15, 8,487.45 and 3,498.40 is: 4,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.15 : 8,487.45 = 3,498.40 : x
  2. Step 2: Convert to fraction form
    6,151.15/8,487.45 = 3,498.40/x
  3. Step 3: Cross multiply
    6,151.15x = 8,487.45 × 3,498.40
  4. Step 4: Simplify right side
    6,151.15x = 29,692,495.08
  5. Step 5: Solve for x
    x = 29,692,495.08/6,151.15
  6. Step 6: Final answer
    x = 4,827.15

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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.