Home / 4,374.20-6,557.63-1,907.15

Finding the Fourth Proportional to 4,374.20, 6,557.63 and 1,907.15

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Solution

The fourth proportional to 4,374.20, 6,557.63 and 1,907.15 is: 2,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.20 : 6,557.63 = 1,907.15 : x
  2. Step 2: Convert to fraction form
    4,374.20/6,557.63 = 1,907.15/x
  3. Step 3: Cross multiply
    4,374.20x = 6,557.63 × 1,907.15
  4. Step 4: Simplify right side
    4,374.20x = 12,506,341.73
  5. Step 5: Solve for x
    x = 12,506,341.73/4,374.20
  6. Step 6: Final answer
    x = 2,859.11

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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.