Home / 6,746.47-9,309.95-3,913.67

Finding the Fourth Proportional to 6,746.47, 9,309.95 and 3,913.67

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Solution

The fourth proportional to 6,746.47, 9,309.95 and 3,913.67 is: 5,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.47 : 9,309.95 = 3,913.67 : x
  2. Step 2: Convert to fraction form
    6,746.47/9,309.95 = 3,913.67/x
  3. Step 3: Cross multiply
    6,746.47x = 9,309.95 × 3,913.67
  4. Step 4: Simplify right side
    6,746.47x = 36,436,072.02
  5. Step 5: Solve for x
    x = 36,436,072.02/6,746.47
  6. Step 6: Final answer
    x = 5,400.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.