Home / 5,017.91-7,526.96-1,320.18

Finding the Fourth Proportional to 5,017.91, 7,526.96 and 1,320.18

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Solution

The fourth proportional to 5,017.91, 7,526.96 and 1,320.18 is: 1,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.91 : 7,526.96 = 1,320.18 : x
  2. Step 2: Convert to fraction form
    5,017.91/7,526.96 = 1,320.18/x
  3. Step 3: Cross multiply
    5,017.91x = 7,526.96 × 1,320.18
  4. Step 4: Simplify right side
    5,017.91x = 9,936,935.45
  5. Step 5: Solve for x
    x = 9,936,935.45/5,017.91
  6. Step 6: Final answer
    x = 1,980.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.