Home / 4,671.13-6,445.85-2,782.85

Finding the Fourth Proportional to 4,671.13, 6,445.85 and 2,782.85

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Solution

The fourth proportional to 4,671.13, 6,445.85 and 2,782.85 is: 3,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.13 : 6,445.85 = 2,782.85 : x
  2. Step 2: Convert to fraction form
    4,671.13/6,445.85 = 2,782.85/x
  3. Step 3: Cross multiply
    4,671.13x = 6,445.85 × 2,782.85
  4. Step 4: Simplify right side
    4,671.13x = 17,937,787.53
  5. Step 5: Solve for x
    x = 17,937,787.53/4,671.13
  6. Step 6: Final answer
    x = 3,840.14

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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.