Home / 7,070.21-9,757.65-4,045.61

Finding the Fourth Proportional to 7,070.21, 9,757.65 and 4,045.61

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Solution

The fourth proportional to 7,070.21, 9,757.65 and 4,045.61 is: 5,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.21 : 9,757.65 = 4,045.61 : x
  2. Step 2: Convert to fraction form
    7,070.21/9,757.65 = 4,045.61/x
  3. Step 3: Cross multiply
    7,070.21x = 9,757.65 × 4,045.61
  4. Step 4: Simplify right side
    7,070.21x = 39,475,597.63
  5. Step 5: Solve for x
    x = 39,475,597.63/7,070.21
  6. Step 6: Final answer
    x = 5,583.37

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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.