Home / 8,977.14-12,386.57-5,200.07

Finding the Fourth Proportional to 8,977.14, 12,386.57 and 5,200.07

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Solution

The fourth proportional to 8,977.14, 12,386.57 and 5,200.07 is: 7,175.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.14 : 12,386.57 = 5,200.07 : x
  2. Step 2: Convert to fraction form
    8,977.14/12,386.57 = 5,200.07/x
  3. Step 3: Cross multiply
    8,977.14x = 12,386.57 × 5,200.07
  4. Step 4: Simplify right side
    8,977.14x = 64,411,005.06
  5. Step 5: Solve for x
    x = 64,411,005.06/8,977.14
  6. Step 6: Final answer
    x = 7,175.00

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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.