Home / 7,747.45-10,688.04-4,601.81

Finding the Fourth Proportional to 7,747.45, 10,688.04 and 4,601.81

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Solution

The fourth proportional to 7,747.45, 10,688.04 and 4,601.81 is: 6,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.45 : 10,688.04 = 4,601.81 : x
  2. Step 2: Convert to fraction form
    7,747.45/10,688.04 = 4,601.81/x
  3. Step 3: Cross multiply
    7,747.45x = 10,688.04 × 4,601.81
  4. Step 4: Simplify right side
    7,747.45x = 49,184,356.07
  5. Step 5: Solve for x
    x = 49,184,356.07/7,747.45
  6. Step 6: Final answer
    x = 6,348.46

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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.