Home / 5,515.29-7,607.59-3,275.51

Finding the Fourth Proportional to 5,515.29, 7,607.59 and 3,275.51

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Solution

The fourth proportional to 5,515.29, 7,607.59 and 3,275.51 is: 4,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.29 : 7,607.59 = 3,275.51 : x
  2. Step 2: Convert to fraction form
    5,515.29/7,607.59 = 3,275.51/x
  3. Step 3: Cross multiply
    5,515.29x = 7,607.59 × 3,275.51
  4. Step 4: Simplify right side
    5,515.29x = 24,918,690.89
  5. Step 5: Solve for x
    x = 24,918,690.89/5,515.29
  6. Step 6: Final answer
    x = 4,518.11

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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.