Home / 7,130.28-10,686.78-5,050.92

Finding the Fourth Proportional to 7,130.28, 10,686.78 and 5,050.92

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Solution

The fourth proportional to 7,130.28, 10,686.78 and 5,050.92 is: 7,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.28 : 10,686.78 = 5,050.92 : x
  2. Step 2: Convert to fraction form
    7,130.28/10,686.78 = 5,050.92/x
  3. Step 3: Cross multiply
    7,130.28x = 10,686.78 × 5,050.92
  4. Step 4: Simplify right side
    7,130.28x = 53,978,070.84
  5. Step 5: Solve for x
    x = 53,978,070.84/7,130.28
  6. Step 6: Final answer
    x = 7,570.26

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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.