Home / 6,426.48-8,869.36-3,632.56

Finding the Fourth Proportional to 6,426.48, 8,869.36 and 3,632.56

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Solution

The fourth proportional to 6,426.48, 8,869.36 and 3,632.56 is: 5,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.48 : 8,869.36 = 3,632.56 : x
  2. Step 2: Convert to fraction form
    6,426.48/8,869.36 = 3,632.56/x
  3. Step 3: Cross multiply
    6,426.48x = 8,869.36 × 3,632.56
  4. Step 4: Simplify right side
    6,426.48x = 32,218,482.36
  5. Step 5: Solve for x
    x = 32,218,482.36/6,426.48
  6. Step 6: Final answer
    x = 5,013.39

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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.