Home / 4,288.23-6,432.34-2,816.74

Finding the Fourth Proportional to 4,288.23, 6,432.34 and 2,816.74

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Solution

The fourth proportional to 4,288.23, 6,432.34 and 2,816.74 is: 4,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.23 : 6,432.34 = 2,816.74 : x
  2. Step 2: Convert to fraction form
    4,288.23/6,432.34 = 2,816.74/x
  3. Step 3: Cross multiply
    4,288.23x = 6,432.34 × 2,816.74
  4. Step 4: Simplify right side
    4,288.23x = 18,118,215.29
  5. Step 5: Solve for x
    x = 18,118,215.29/4,288.23
  6. Step 6: Final answer
    x = 4,225.10

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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.