Home / 9,776.68-13,490.64-5,527.18

Finding the Fourth Proportional to 9,776.68, 13,490.64 and 5,527.18

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Solution

The fourth proportional to 9,776.68, 13,490.64 and 5,527.18 is: 7,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.68 : 13,490.64 = 5,527.18 : x
  2. Step 2: Convert to fraction form
    9,776.68/13,490.64 = 5,527.18/x
  3. Step 3: Cross multiply
    9,776.68x = 13,490.64 × 5,527.18
  4. Step 4: Simplify right side
    9,776.68x = 74,565,195.60
  5. Step 5: Solve for x
    x = 74,565,195.60/9,776.68
  6. Step 6: Final answer
    x = 7,626.84

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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.