Home / 5,602.08-8,403.20-2,315.20

Finding the Fourth Proportional to 5,602.08, 8,403.20 and 2,315.20

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Solution

The fourth proportional to 5,602.08, 8,403.20 and 2,315.20 is: 3,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.08 : 8,403.20 = 2,315.20 : x
  2. Step 2: Convert to fraction form
    5,602.08/8,403.20 = 2,315.20/x
  3. Step 3: Cross multiply
    5,602.08x = 8,403.20 × 2,315.20
  4. Step 4: Simplify right side
    5,602.08x = 19,455,088.64
  5. Step 5: Solve for x
    x = 19,455,088.64/5,602.08
  6. Step 6: Final answer
    x = 3,472.83

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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.