Home / 5,010.48-6,916.68-3,888.72

Finding the Fourth Proportional to 5,010.48, 6,916.68 and 3,888.72

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Solution

The fourth proportional to 5,010.48, 6,916.68 and 3,888.72 is: 5,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.48 : 6,916.68 = 3,888.72 : x
  2. Step 2: Convert to fraction form
    5,010.48/6,916.68 = 3,888.72/x
  3. Step 3: Cross multiply
    5,010.48x = 6,916.68 × 3,888.72
  4. Step 4: Simplify right side
    5,010.48x = 26,897,031.85
  5. Step 5: Solve for x
    x = 26,897,031.85/5,010.48
  6. Step 6: Final answer
    x = 5,368.15

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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.