Home / 5,340.71-8,011.08-3,503.45

Finding the Fourth Proportional to 5,340.71, 8,011.08 and 3,503.45

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Solution

The fourth proportional to 5,340.71, 8,011.08 and 3,503.45 is: 5,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.71 : 8,011.08 = 3,503.45 : x
  2. Step 2: Convert to fraction form
    5,340.71/8,011.08 = 3,503.45/x
  3. Step 3: Cross multiply
    5,340.71x = 8,011.08 × 3,503.45
  4. Step 4: Simplify right side
    5,340.71x = 28,066,378.17
  5. Step 5: Solve for x
    x = 28,066,378.17/5,340.71
  6. Step 6: Final answer
    x = 5,255.18

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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.