Home / 6,527.70-8,999.73-4,428.18

Finding the Fourth Proportional to 6,527.70, 8,999.73 and 4,428.18

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Solution

The fourth proportional to 6,527.70, 8,999.73 and 4,428.18 is: 6,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527.70 : 8,999.73 = 4,428.18 : x
  2. Step 2: Convert to fraction form
    6,527.70/8,999.73 = 4,428.18/x
  3. Step 3: Cross multiply
    6,527.70x = 8,999.73 × 4,428.18
  4. Step 4: Simplify right side
    6,527.70x = 39,852,424.39
  5. Step 5: Solve for x
    x = 39,852,424.39/6,527.70
  6. Step 6: Final answer
    x = 6,105.12

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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.