Home / 4,256.16-5,877.04-3,138.40

Finding the Fourth Proportional to 4,256.16, 5,877.04 and 3,138.40

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Solution

The fourth proportional to 4,256.16, 5,877.04 and 3,138.40 is: 4,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.16 : 5,877.04 = 3,138.40 : x
  2. Step 2: Convert to fraction form
    4,256.16/5,877.04 = 3,138.40/x
  3. Step 3: Cross multiply
    4,256.16x = 5,877.04 × 3,138.40
  4. Step 4: Simplify right side
    4,256.16x = 18,444,502.34
  5. Step 5: Solve for x
    x = 18,444,502.34/4,256.16
  6. Step 6: Final answer
    x = 4,333.60

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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.