Home / 9,140-12,613.20-4,948.25

Finding the Fourth Proportional to 9,140, 12,613.20 and 4,948.25

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Solution

The fourth proportional to 9,140, 12,613.20 and 4,948.25 is: 6,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140 : 12,613.20 = 4,948.25 : x
  2. Step 2: Convert to fraction form
    9,140/12,613.20 = 4,948.25/x
  3. Step 3: Cross multiply
    9,140x = 12,613.20 × 4,948.25
  4. Step 4: Simplify right side
    9,140x = 62,413,266.90
  5. Step 5: Solve for x
    x = 62,413,266.90/9,140
  6. Step 6: Final answer
    x = 6,828.59

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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.