Home / 7,507.02-11,240.01-5,429.10

Finding the Fourth Proportional to 7,507.02, 11,240.01 and 5,429.10

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Solution

The fourth proportional to 7,507.02, 11,240.01 and 5,429.10 is: 8,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.02 : 11,240.01 = 5,429.10 : x
  2. Step 2: Convert to fraction form
    7,507.02/11,240.01 = 5,429.10/x
  3. Step 3: Cross multiply
    7,507.02x = 11,240.01 × 5,429.10
  4. Step 4: Simplify right side
    7,507.02x = 61,023,138.29
  5. Step 5: Solve for x
    x = 61,023,138.29/7,507.02
  6. Step 6: Final answer
    x = 8,128.81

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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.