Home / 5,056.11-6,977.51-2,931.80

Finding the Fourth Proportional to 5,056.11, 6,977.51 and 2,931.80

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Solution

The fourth proportional to 5,056.11, 6,977.51 and 2,931.80 is: 4,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.11 : 6,977.51 = 2,931.80 : x
  2. Step 2: Convert to fraction form
    5,056.11/6,977.51 = 2,931.80/x
  3. Step 3: Cross multiply
    5,056.11x = 6,977.51 × 2,931.80
  4. Step 4: Simplify right side
    5,056.11x = 20,456,663.82
  5. Step 5: Solve for x
    x = 20,456,663.82/5,056.11
  6. Step 6: Final answer
    x = 4,045.93

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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.