Home / 8,649.44-11,935.51-4,871.40

Finding the Fourth Proportional to 8,649.44, 11,935.51 and 4,871.40

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Solution

The fourth proportional to 8,649.44, 11,935.51 and 4,871.40 is: 6,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.44 : 11,935.51 = 4,871.40 : x
  2. Step 2: Convert to fraction form
    8,649.44/11,935.51 = 4,871.40/x
  3. Step 3: Cross multiply
    8,649.44x = 11,935.51 × 4,871.40
  4. Step 4: Simplify right side
    8,649.44x = 58,142,643.41
  5. Step 5: Solve for x
    x = 58,142,643.41/8,649.44
  6. Step 6: Final answer
    x = 6,722.13

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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.