Home / 7,577.65-10,457.32-4,221.06

Finding the Fourth Proportional to 7,577.65, 10,457.32 and 4,221.06

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Solution

The fourth proportional to 7,577.65, 10,457.32 and 4,221.06 is: 5,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.65 : 10,457.32 = 4,221.06 : x
  2. Step 2: Convert to fraction form
    7,577.65/10,457.32 = 4,221.06/x
  3. Step 3: Cross multiply
    7,577.65x = 10,457.32 × 4,221.06
  4. Step 4: Simplify right side
    7,577.65x = 44,140,964.61
  5. Step 5: Solve for x
    x = 44,140,964.61/7,577.65
  6. Step 6: Final answer
    x = 5,825.15

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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.