Home / 5,225.87-7,210.62-2,988.50

Finding the Fourth Proportional to 5,225.87, 7,210.62 and 2,988.50

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Solution

The fourth proportional to 5,225.87, 7,210.62 and 2,988.50 is: 4,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.87 : 7,210.62 = 2,988.50 : x
  2. Step 2: Convert to fraction form
    5,225.87/7,210.62 = 2,988.50/x
  3. Step 3: Cross multiply
    5,225.87x = 7,210.62 × 2,988.50
  4. Step 4: Simplify right side
    5,225.87x = 21,548,901.82
  5. Step 5: Solve for x
    x = 21,548,901.82/5,225.87
  6. Step 6: Final answer
    x = 4,123.51

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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.