Home / 9,880.28-13,634.75-5,342.93

Finding the Fourth Proportional to 9,880.28, 13,634.75 and 5,342.93

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Solution

The fourth proportional to 9,880.28, 13,634.75 and 5,342.93 is: 7,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.28 : 13,634.75 = 5,342.93 : x
  2. Step 2: Convert to fraction form
    9,880.28/13,634.75 = 5,342.93/x
  3. Step 3: Cross multiply
    9,880.28x = 13,634.75 × 5,342.93
  4. Step 4: Simplify right side
    9,880.28x = 72,849,446.64
  5. Step 5: Solve for x
    x = 72,849,446.64/9,880.28
  6. Step 6: Final answer
    x = 7,373.22

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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.