Home / 6,987.74-10,431.80-6,070.46

Finding the Fourth Proportional to 6,987.74, 10,431.80 and 6,070.46

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Solution

The fourth proportional to 6,987.74, 10,431.80 and 6,070.46 is: 9,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.74 : 10,431.80 = 6,070.46 : x
  2. Step 2: Convert to fraction form
    6,987.74/10,431.80 = 6,070.46/x
  3. Step 3: Cross multiply
    6,987.74x = 10,431.80 × 6,070.46
  4. Step 4: Simplify right side
    6,987.74x = 63,325,764.88
  5. Step 5: Solve for x
    x = 63,325,764.88/6,987.74
  6. Step 6: Final answer
    x = 9,062.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.