Home / 7,477.94-10,318.65-4,291.07

Finding the Fourth Proportional to 7,477.94, 10,318.65 and 4,291.07

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Solution

The fourth proportional to 7,477.94, 10,318.65 and 4,291.07 is: 5,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.94 : 10,318.65 = 4,291.07 : x
  2. Step 2: Convert to fraction form
    7,477.94/10,318.65 = 4,291.07/x
  3. Step 3: Cross multiply
    7,477.94x = 10,318.65 × 4,291.07
  4. Step 4: Simplify right side
    7,477.94x = 44,277,997.86
  5. Step 5: Solve for x
    x = 44,277,997.86/7,477.94
  6. Step 6: Final answer
    x = 5,921.15

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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.