Home / 4,618.28-6,368.17-3,123.63

Finding the Fourth Proportional to 4,618.28, 6,368.17 and 3,123.63

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Solution

The fourth proportional to 4,618.28, 6,368.17 and 3,123.63 is: 4,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.28 : 6,368.17 = 3,123.63 : x
  2. Step 2: Convert to fraction form
    4,618.28/6,368.17 = 3,123.63/x
  3. Step 3: Cross multiply
    4,618.28x = 6,368.17 × 3,123.63
  4. Step 4: Simplify right side
    4,618.28x = 19,891,804.90
  5. Step 5: Solve for x
    x = 19,891,804.90/4,618.28
  6. Step 6: Final answer
    x = 4,307.19

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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.