Home / 8,719.64-12,032.85-4,943.15

Finding the Fourth Proportional to 8,719.64, 12,032.85 and 4,943.15

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Solution

The fourth proportional to 8,719.64, 12,032.85 and 4,943.15 is: 6,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.64 : 12,032.85 = 4,943.15 : x
  2. Step 2: Convert to fraction form
    8,719.64/12,032.85 = 4,943.15/x
  3. Step 3: Cross multiply
    8,719.64x = 12,032.85 × 4,943.15
  4. Step 4: Simplify right side
    8,719.64x = 59,480,157.76
  5. Step 5: Solve for x
    x = 59,480,157.76/8,719.64
  6. Step 6: Final answer
    x = 6,821.40

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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.