Home / 6,987.63-9,645.45-4,630.53

Finding the Fourth Proportional to 6,987.63, 9,645.45 and 4,630.53

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Solution

The fourth proportional to 6,987.63, 9,645.45 and 4,630.53 is: 6,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.63 : 9,645.45 = 4,630.53 : x
  2. Step 2: Convert to fraction form
    6,987.63/9,645.45 = 4,630.53/x
  3. Step 3: Cross multiply
    6,987.63x = 9,645.45 × 4,630.53
  4. Step 4: Simplify right side
    6,987.63x = 44,663,545.59
  5. Step 5: Solve for x
    x = 44,663,545.59/6,987.63
  6. Step 6: Final answer
    x = 6,391.80

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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.