Home / 8,158.02-11,258.40-4,621.02

Finding the Fourth Proportional to 8,158.02, 11,258.40 and 4,621.02

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Solution

The fourth proportional to 8,158.02, 11,258.40 and 4,621.02 is: 6,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.02 : 11,258.40 = 4,621.02 : x
  2. Step 2: Convert to fraction form
    8,158.02/11,258.40 = 4,621.02/x
  3. Step 3: Cross multiply
    8,158.02x = 11,258.40 × 4,621.02
  4. Step 4: Simplify right side
    8,158.02x = 52,025,291.57
  5. Step 5: Solve for x
    x = 52,025,291.57/8,158.02
  6. Step 6: Final answer
    x = 6,377.20

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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.