Home / 7,254.02-10,866.45-6,138.65

Finding the Fourth Proportional to 7,254.02, 10,866.45 and 6,138.65

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Solution

The fourth proportional to 7,254.02, 10,866.45 and 6,138.65 is: 9,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.02 : 10,866.45 = 6,138.65 : x
  2. Step 2: Convert to fraction form
    7,254.02/10,866.45 = 6,138.65/x
  3. Step 3: Cross multiply
    7,254.02x = 10,866.45 × 6,138.65
  4. Step 4: Simplify right side
    7,254.02x = 66,705,383.48
  5. Step 5: Solve for x
    x = 66,705,383.48/7,254.02
  6. Step 6: Final answer
    x = 9,195.64

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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.