Home / 6,225.46-8,590.33-3,987.55

Finding the Fourth Proportional to 6,225.46, 8,590.33 and 3,987.55

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Solution

The fourth proportional to 6,225.46, 8,590.33 and 3,987.55 is: 5,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.46 : 8,590.33 = 3,987.55 : x
  2. Step 2: Convert to fraction form
    6,225.46/8,590.33 = 3,987.55/x
  3. Step 3: Cross multiply
    6,225.46x = 8,590.33 × 3,987.55
  4. Step 4: Simplify right side
    6,225.46x = 34,254,338.95
  5. Step 5: Solve for x
    x = 34,254,338.95/6,225.46
  6. Step 6: Final answer
    x = 5,502.30

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Double scale
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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.