Home / 7,440.45-11,159.70-4,322.13

Finding the Fourth Proportional to 7,440.45, 11,159.70 and 4,322.13

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Solution

The fourth proportional to 7,440.45, 11,159.70 and 4,322.13 is: 6,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.45 : 11,159.70 = 4,322.13 : x
  2. Step 2: Convert to fraction form
    7,440.45/11,159.70 = 4,322.13/x
  3. Step 3: Cross multiply
    7,440.45x = 11,159.70 × 4,322.13
  4. Step 4: Simplify right side
    7,440.45x = 48,233,674.16
  5. Step 5: Solve for x
    x = 48,233,674.16/7,440.45
  6. Step 6: Final answer
    x = 6,482.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.