Home / 6,971.12-9,621.90-4,702.82

Finding the Fourth Proportional to 6,971.12, 9,621.90 and 4,702.82

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Solution

The fourth proportional to 6,971.12, 9,621.90 and 4,702.82 is: 6,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.12 : 9,621.90 = 4,702.82 : x
  2. Step 2: Convert to fraction form
    6,971.12/9,621.90 = 4,702.82/x
  3. Step 3: Cross multiply
    6,971.12x = 9,621.90 × 4,702.82
  4. Step 4: Simplify right side
    6,971.12x = 45,250,063.76
  5. Step 5: Solve for x
    x = 45,250,063.76/6,971.12
  6. Step 6: Final answer
    x = 6,491.08

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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.