Home / 10,401.20-15,590.76-4,848.08

Finding the Fourth Proportional to 10,401.20, 15,590.76 and 4,848.08

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Solution

The fourth proportional to 10,401.20, 15,590.76 and 4,848.08 is: 7,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.20 : 15,590.76 = 4,848.08 : x
  2. Step 2: Convert to fraction form
    10,401.20/15,590.76 = 4,848.08/x
  3. Step 3: Cross multiply
    10,401.20x = 15,590.76 × 4,848.08
  4. Step 4: Simplify right side
    10,401.20x = 75,585,251.74
  5. Step 5: Solve for x
    x = 75,585,251.74/10,401.20
  6. Step 6: Final answer
    x = 7,266.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.