Home / 7,142.02-10,750.28-6,462.83

Finding the Fourth Proportional to 7,142.02, 10,750.28 and 6,462.83

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Solution

The fourth proportional to 7,142.02, 10,750.28 and 6,462.83 is: 9,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142.02 : 10,750.28 = 6,462.83 : x
  2. Step 2: Convert to fraction form
    7,142.02/10,750.28 = 6,462.83/x
  3. Step 3: Cross multiply
    7,142.02x = 10,750.28 × 6,462.83
  4. Step 4: Simplify right side
    7,142.02x = 69,477,226.65
  5. Step 5: Solve for x
    x = 69,477,226.65/7,142.02
  6. Step 6: Final answer
    x = 9,727.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.