Home / 5,411.77-8,117.56-1,713.99

Finding the Fourth Proportional to 5,411.77, 8,117.56 and 1,713.99

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Solution

The fourth proportional to 5,411.77, 8,117.56 and 1,713.99 is: 2,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.77 : 8,117.56 = 1,713.99 : x
  2. Step 2: Convert to fraction form
    5,411.77/8,117.56 = 1,713.99/x
  3. Step 3: Cross multiply
    5,411.77x = 8,117.56 × 1,713.99
  4. Step 4: Simplify right side
    5,411.77x = 13,913,420.95
  5. Step 5: Solve for x
    x = 13,913,420.95/5,411.77
  6. Step 6: Final answer
    x = 2,570.96

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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.