Home / 9,607.79-13,253.40-5,628.14

Finding the Fourth Proportional to 9,607.79, 13,253.40 and 5,628.14

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Solution

The fourth proportional to 9,607.79, 13,253.40 and 5,628.14 is: 7,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,607.79 : 13,253.40 = 5,628.14 : x
  2. Step 2: Convert to fraction form
    9,607.79/13,253.40 = 5,628.14/x
  3. Step 3: Cross multiply
    9,607.79x = 13,253.40 × 5,628.14
  4. Step 4: Simplify right side
    9,607.79x = 74,591,990.68
  5. Step 5: Solve for x
    x = 74,591,990.68/9,607.79
  6. Step 6: Final answer
    x = 7,763.70

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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.