Home / 5,328.66-7,994.16-1,580.15

Finding the Fourth Proportional to 5,328.66, 7,994.16 and 1,580.15

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Solution

The fourth proportional to 5,328.66, 7,994.16 and 1,580.15 is: 2,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.66 : 7,994.16 = 1,580.15 : x
  2. Step 2: Convert to fraction form
    5,328.66/7,994.16 = 1,580.15/x
  3. Step 3: Cross multiply
    5,328.66x = 7,994.16 × 1,580.15
  4. Step 4: Simplify right side
    5,328.66x = 12,631,931.95
  5. Step 5: Solve for x
    x = 12,631,931.95/5,328.66
  6. Step 6: Final answer
    x = 2,370.56

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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.