Home / 4,931.15-6,807.44-3,140.44

Finding the Fourth Proportional to 4,931.15, 6,807.44 and 3,140.44

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Solution

The fourth proportional to 4,931.15, 6,807.44 and 3,140.44 is: 4,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.15 : 6,807.44 = 3,140.44 : x
  2. Step 2: Convert to fraction form
    4,931.15/6,807.44 = 3,140.44/x
  3. Step 3: Cross multiply
    4,931.15x = 6,807.44 × 3,140.44
  4. Step 4: Simplify right side
    4,931.15x = 21,378,347.71
  5. Step 5: Solve for x
    x = 21,378,347.71/4,931.15
  6. Step 6: Final answer
    x = 4,335.37

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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.