Home / 7,648.20-10,555.02-4,291.25

Finding the Fourth Proportional to 7,648.20, 10,555.02 and 4,291.25

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Solution

The fourth proportional to 7,648.20, 10,555.02 and 4,291.25 is: 5,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.20 : 10,555.02 = 4,291.25 : x
  2. Step 2: Convert to fraction form
    7,648.20/10,555.02 = 4,291.25/x
  3. Step 3: Cross multiply
    7,648.20x = 10,555.02 × 4,291.25
  4. Step 4: Simplify right side
    7,648.20x = 45,294,176.80
  5. Step 5: Solve for x
    x = 45,294,176.80/7,648.20
  6. Step 6: Final answer
    x = 5,922.20

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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.