Home / 6,987.16-10,487.85-3,040.18

Finding the Fourth Proportional to 6,987.16, 10,487.85 and 3,040.18

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Solution

The fourth proportional to 6,987.16, 10,487.85 and 3,040.18 is: 4,563.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.16 : 10,487.85 = 3,040.18 : x
  2. Step 2: Convert to fraction form
    6,987.16/10,487.85 = 3,040.18/x
  3. Step 3: Cross multiply
    6,987.16x = 10,487.85 × 3,040.18
  4. Step 4: Simplify right side
    6,987.16x = 31,884,956.03
  5. Step 5: Solve for x
    x = 31,884,956.03/6,987.16
  6. Step 6: Final answer
    x = 4,563.36

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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.