Home / 6,985.04-9,638.87-4,152.26

Finding the Fourth Proportional to 6,985.04, 9,638.87 and 4,152.26

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Solution

The fourth proportional to 6,985.04, 9,638.87 and 4,152.26 is: 5,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.04 : 9,638.87 = 4,152.26 : x
  2. Step 2: Convert to fraction form
    6,985.04/9,638.87 = 4,152.26/x
  3. Step 3: Cross multiply
    6,985.04x = 9,638.87 × 4,152.26
  4. Step 4: Simplify right side
    6,985.04x = 40,023,097.68
  5. Step 5: Solve for x
    x = 40,023,097.68/6,985.04
  6. Step 6: Final answer
    x = 5,729.83

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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.