Home / 5,538.47-7,639.40-4,417.43

Finding the Fourth Proportional to 5,538.47, 7,639.40 and 4,417.43

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Solution

The fourth proportional to 5,538.47, 7,639.40 and 4,417.43 is: 6,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.47 : 7,639.40 = 4,417.43 : x
  2. Step 2: Convert to fraction form
    5,538.47/7,639.40 = 4,417.43/x
  3. Step 3: Cross multiply
    5,538.47x = 7,639.40 × 4,417.43
  4. Step 4: Simplify right side
    5,538.47x = 33,746,492.65
  5. Step 5: Solve for x
    x = 33,746,492.65/5,538.47
  6. Step 6: Final answer
    x = 6,093.11

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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.