Home / 7,473.40-10,311.70-4,287.71

Finding the Fourth Proportional to 7,473.40, 10,311.70 and 4,287.71

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Solution

The fourth proportional to 7,473.40, 10,311.70 and 4,287.71 is: 5,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.40 : 10,311.70 = 4,287.71 : x
  2. Step 2: Convert to fraction form
    7,473.40/10,311.70 = 4,287.71/x
  3. Step 3: Cross multiply
    7,473.40x = 10,311.70 × 4,287.71
  4. Step 4: Simplify right side
    7,473.40x = 44,213,579.21
  5. Step 5: Solve for x
    x = 44,213,579.21/7,473.40
  6. Step 6: Final answer
    x = 5,916.13

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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.