Home / 5,225.60-7,212.38-3,547.55

Finding the Fourth Proportional to 5,225.60, 7,212.38 and 3,547.55

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Solution

The fourth proportional to 5,225.60, 7,212.38 and 3,547.55 is: 4,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.60 : 7,212.38 = 3,547.55 : x
  2. Step 2: Convert to fraction form
    5,225.60/7,212.38 = 3,547.55/x
  3. Step 3: Cross multiply
    5,225.60x = 7,212.38 × 3,547.55
  4. Step 4: Simplify right side
    5,225.60x = 25,586,278.67
  5. Step 5: Solve for x
    x = 25,586,278.67/5,225.60
  6. Step 6: Final answer
    x = 4,896.33

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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.