Home / 9,350.40-12,903.55-5,371.23

Finding the Fourth Proportional to 9,350.40, 12,903.55 and 5,371.23

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Solution

The fourth proportional to 9,350.40, 12,903.55 and 5,371.23 is: 7,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.40 : 12,903.55 = 5,371.23 : x
  2. Step 2: Convert to fraction form
    9,350.40/12,903.55 = 5,371.23/x
  3. Step 3: Cross multiply
    9,350.40x = 12,903.55 × 5,371.23
  4. Step 4: Simplify right side
    9,350.40x = 69,307,934.87
  5. Step 5: Solve for x
    x = 69,307,934.87/9,350.40
  6. Step 6: Final answer
    x = 7,412.30

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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.