Home / 4,877.28-6,730.38-2,888.01

Finding the Fourth Proportional to 4,877.28, 6,730.38 and 2,888.01

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Solution

The fourth proportional to 4,877.28, 6,730.38 and 2,888.01 is: 3,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.28 : 6,730.38 = 2,888.01 : x
  2. Step 2: Convert to fraction form
    4,877.28/6,730.38 = 2,888.01/x
  3. Step 3: Cross multiply
    4,877.28x = 6,730.38 × 2,888.01
  4. Step 4: Simplify right side
    4,877.28x = 19,437,404.74
  5. Step 5: Solve for x
    x = 19,437,404.74/4,877.28
  6. Step 6: Final answer
    x = 3,985.30

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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.