Home / 9,353.40-12,908.99-5,374.43

Finding the Fourth Proportional to 9,353.40, 12,908.99 and 5,374.43

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Solution

The fourth proportional to 9,353.40, 12,908.99 and 5,374.43 is: 7,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.40 : 12,908.99 = 5,374.43 : x
  2. Step 2: Convert to fraction form
    9,353.40/12,908.99 = 5,374.43/x
  3. Step 3: Cross multiply
    9,353.40x = 12,908.99 × 5,374.43
  4. Step 4: Simplify right side
    9,353.40x = 69,378,371.71
  5. Step 5: Solve for x
    x = 69,378,371.71/9,353.40
  6. Step 6: Final answer
    x = 7,417.45

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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.