Home / 7,988.01-11,983.23-4,870.32

Finding the Fourth Proportional to 7,988.01, 11,983.23 and 4,870.32

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Solution

The fourth proportional to 7,988.01, 11,983.23 and 4,870.32 is: 7,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.01 : 11,983.23 = 4,870.32 : x
  2. Step 2: Convert to fraction form
    7,988.01/11,983.23 = 4,870.32/x
  3. Step 3: Cross multiply
    7,988.01x = 11,983.23 × 4,870.32
  4. Step 4: Simplify right side
    7,988.01x = 58,362,164.73
  5. Step 5: Solve for x
    x = 58,362,164.73/7,988.01
  6. Step 6: Final answer
    x = 7,306.22

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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.