Home / 8,878.14-13,317.19-4,985.28

Finding the Fourth Proportional to 8,878.14, 13,317.19 and 4,985.28

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Solution

The fourth proportional to 8,878.14, 13,317.19 and 4,985.28 is: 7,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.14 : 13,317.19 = 4,985.28 : x
  2. Step 2: Convert to fraction form
    8,878.14/13,317.19 = 4,985.28/x
  3. Step 3: Cross multiply
    8,878.14x = 13,317.19 × 4,985.28
  4. Step 4: Simplify right side
    8,878.14x = 66,389,908.50
  5. Step 5: Solve for x
    x = 66,389,908.50/8,878.14
  6. Step 6: Final answer
    x = 7,477.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.