Home / 8,731.36-12,053.04-6,077.80

Finding the Fourth Proportional to 8,731.36, 12,053.04 and 6,077.80

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Solution

The fourth proportional to 8,731.36, 12,053.04 and 6,077.80 is: 8,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.36 : 12,053.04 = 6,077.80 : x
  2. Step 2: Convert to fraction form
    8,731.36/12,053.04 = 6,077.80/x
  3. Step 3: Cross multiply
    8,731.36x = 12,053.04 × 6,077.80
  4. Step 4: Simplify right side
    8,731.36x = 73,255,966.51
  5. Step 5: Solve for x
    x = 73,255,966.51/8,731.36
  6. Step 6: Final answer
    x = 8,389.98

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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.