Home / 7,865.02-10,854.08-5,034.79

Finding the Fourth Proportional to 7,865.02, 10,854.08 and 5,034.79

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Solution

The fourth proportional to 7,865.02, 10,854.08 and 5,034.79 is: 6,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.02 : 10,854.08 = 5,034.79 : x
  2. Step 2: Convert to fraction form
    7,865.02/10,854.08 = 5,034.79/x
  3. Step 3: Cross multiply
    7,865.02x = 10,854.08 × 5,034.79
  4. Step 4: Simplify right side
    7,865.02x = 54,648,013.44
  5. Step 5: Solve for x
    x = 54,648,013.44/7,865.02
  6. Step 6: Final answer
    x = 6,948.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.