Home / 4,208.50-6,312.75-1,575.89

Finding the Fourth Proportional to 4,208.50, 6,312.75 and 1,575.89

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Solution

The fourth proportional to 4,208.50, 6,312.75 and 1,575.89 is: 2,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.50 : 6,312.75 = 1,575.89 : x
  2. Step 2: Convert to fraction form
    4,208.50/6,312.75 = 1,575.89/x
  3. Step 3: Cross multiply
    4,208.50x = 6,312.75 × 1,575.89
  4. Step 4: Simplify right side
    4,208.50x = 9,948,230.17
  5. Step 5: Solve for x
    x = 9,948,230.17/4,208.50
  6. Step 6: Final answer
    x = 2,363.84

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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.