Home / 7,045.22-9,720.20-4,060.65

Finding the Fourth Proportional to 7,045.22, 9,720.20 and 4,060.65

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Solution

The fourth proportional to 7,045.22, 9,720.20 and 4,060.65 is: 5,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.22 : 9,720.20 = 4,060.65 : x
  2. Step 2: Convert to fraction form
    7,045.22/9,720.20 = 4,060.65/x
  3. Step 3: Cross multiply
    7,045.22x = 9,720.20 × 4,060.65
  4. Step 4: Simplify right side
    7,045.22x = 39,470,322.06
  5. Step 5: Solve for x
    x = 39,470,322.06/7,045.22
  6. Step 6: Final answer
    x = 5,602.43

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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.