Home / 7,505.12-11,254.15-4,386.03

Finding the Fourth Proportional to 7,505.12, 11,254.15 and 4,386.03

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Solution

The fourth proportional to 7,505.12, 11,254.15 and 4,386.03 is: 6,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.12 : 11,254.15 = 4,386.03 : x
  2. Step 2: Convert to fraction form
    7,505.12/11,254.15 = 4,386.03/x
  3. Step 3: Cross multiply
    7,505.12x = 11,254.15 × 4,386.03
  4. Step 4: Simplify right side
    7,505.12x = 49,361,039.52
  5. Step 5: Solve for x
    x = 49,361,039.52/7,505.12
  6. Step 6: Final answer
    x = 6,576.98

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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.