Home / 7,931.94-10,945.65-4,394.58

Finding the Fourth Proportional to 7,931.94, 10,945.65 and 4,394.58

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Solution

The fourth proportional to 7,931.94, 10,945.65 and 4,394.58 is: 6,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.94 : 10,945.65 = 4,394.58 : x
  2. Step 2: Convert to fraction form
    7,931.94/10,945.65 = 4,394.58/x
  3. Step 3: Cross multiply
    7,931.94x = 10,945.65 × 4,394.58
  4. Step 4: Simplify right side
    7,931.94x = 48,101,534.58
  5. Step 5: Solve for x
    x = 48,101,534.58/7,931.94
  6. Step 6: Final answer
    x = 6,064.28

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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.