Home / 6,428.40-9,588.36-5,862.48

Finding the Fourth Proportional to 6,428.40, 9,588.36 and 5,862.48

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Solution

The fourth proportional to 6,428.40, 9,588.36 and 5,862.48 is: 8,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.40 : 9,588.36 = 5,862.48 : x
  2. Step 2: Convert to fraction form
    6,428.40/9,588.36 = 5,862.48/x
  3. Step 3: Cross multiply
    6,428.40x = 9,588.36 × 5,862.48
  4. Step 4: Simplify right side
    6,428.40x = 56,211,568.73
  5. Step 5: Solve for x
    x = 56,211,568.73/6,428.40
  6. Step 6: Final answer
    x = 8,744.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.