Home / 7,043.52-9,717.39-4,211.10

Finding the Fourth Proportional to 7,043.52, 9,717.39 and 4,211.10

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Solution

The fourth proportional to 7,043.52, 9,717.39 and 4,211.10 is: 5,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.52 : 9,717.39 = 4,211.10 : x
  2. Step 2: Convert to fraction form
    7,043.52/9,717.39 = 4,211.10/x
  3. Step 3: Cross multiply
    7,043.52x = 9,717.39 × 4,211.10
  4. Step 4: Simplify right side
    7,043.52x = 40,920,901.03
  5. Step 5: Solve for x
    x = 40,920,901.03/7,043.52
  6. Step 6: Final answer
    x = 5,809.72

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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.