Home / 9,278.45-12,802.46-5,500.91

Finding the Fourth Proportional to 9,278.45, 12,802.46 and 5,500.91

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Solution

The fourth proportional to 9,278.45, 12,802.46 and 5,500.91 is: 7,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.45 : 12,802.46 = 5,500.91 : x
  2. Step 2: Convert to fraction form
    9,278.45/12,802.46 = 5,500.91/x
  3. Step 3: Cross multiply
    9,278.45x = 12,802.46 × 5,500.91
  4. Step 4: Simplify right side
    9,278.45x = 70,425,184.74
  5. Step 5: Solve for x
    x = 70,425,184.74/9,278.45
  6. Step 6: Final answer
    x = 7,590.19

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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.