Home / 5,301.18-7,950.96-1,405.55

Finding the Fourth Proportional to 5,301.18, 7,950.96 and 1,405.55

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Solution

The fourth proportional to 5,301.18, 7,950.96 and 1,405.55 is: 2,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.18 : 7,950.96 = 1,405.55 : x
  2. Step 2: Convert to fraction form
    5,301.18/7,950.96 = 1,405.55/x
  3. Step 3: Cross multiply
    5,301.18x = 7,950.96 × 1,405.55
  4. Step 4: Simplify right side
    5,301.18x = 11,175,491.71
  5. Step 5: Solve for x
    x = 11,175,491.71/5,301.18
  6. Step 6: Final answer
    x = 2,108.11

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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.