Home / 7,199.16-9,935.65-4,012.75

Finding the Fourth Proportional to 7,199.16, 9,935.65 and 4,012.75

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Solution

The fourth proportional to 7,199.16, 9,935.65 and 4,012.75 is: 5,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.16 : 9,935.65 = 4,012.75 : x
  2. Step 2: Convert to fraction form
    7,199.16/9,935.65 = 4,012.75/x
  3. Step 3: Cross multiply
    7,199.16x = 9,935.65 × 4,012.75
  4. Step 4: Simplify right side
    7,199.16x = 39,869,259.71
  5. Step 5: Solve for x
    x = 39,869,259.71/7,199.16
  6. Step 6: Final answer
    x = 5,538.04

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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.