Home / 6,948.16-9,580.96-5,272.64

Finding the Fourth Proportional to 6,948.16, 9,580.96 and 5,272.64

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Solution

The fourth proportional to 6,948.16, 9,580.96 and 5,272.64 is: 7,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.16 : 9,580.96 = 5,272.64 : x
  2. Step 2: Convert to fraction form
    6,948.16/9,580.96 = 5,272.64/x
  3. Step 3: Cross multiply
    6,948.16x = 9,580.96 × 5,272.64
  4. Step 4: Simplify right side
    6,948.16x = 50,516,952.93
  5. Step 5: Solve for x
    x = 50,516,952.93/6,948.16
  6. Step 6: Final answer
    x = 7,270.55

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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.