Home / 5,015.15-7,520.65-1,894.63

Finding the Fourth Proportional to 5,015.15, 7,520.65 and 1,894.63

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Solution

The fourth proportional to 5,015.15, 7,520.65 and 1,894.63 is: 2,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.15 : 7,520.65 = 1,894.63 : x
  2. Step 2: Convert to fraction form
    5,015.15/7,520.65 = 1,894.63/x
  3. Step 3: Cross multiply
    5,015.15x = 7,520.65 × 1,894.63
  4. Step 4: Simplify right side
    5,015.15x = 14,248,849.11
  5. Step 5: Solve for x
    x = 14,248,849.11/5,015.15
  6. Step 6: Final answer
    x = 2,841.16

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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.