Home / 7,304.40-10,969.56-5,117.40

Finding the Fourth Proportional to 7,304.40, 10,969.56 and 5,117.40

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Solution

The fourth proportional to 7,304.40, 10,969.56 and 5,117.40 is: 7,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.40 : 10,969.56 = 5,117.40 : x
  2. Step 2: Convert to fraction form
    7,304.40/10,969.56 = 5,117.40/x
  3. Step 3: Cross multiply
    7,304.40x = 10,969.56 × 5,117.40
  4. Step 4: Simplify right side
    7,304.40x = 56,135,626.34
  5. Step 5: Solve for x
    x = 56,135,626.34/7,304.40
  6. Step 6: Final answer
    x = 7,685.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.