Home / 8,570.88-11,817.36-5,585.49

Finding the Fourth Proportional to 8,570.88, 11,817.36 and 5,585.49

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Solution

The fourth proportional to 8,570.88, 11,817.36 and 5,585.49 is: 7,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.88 : 11,817.36 = 5,585.49 : x
  2. Step 2: Convert to fraction form
    8,570.88/11,817.36 = 5,585.49/x
  3. Step 3: Cross multiply
    8,570.88x = 11,817.36 × 5,585.49
  4. Step 4: Simplify right side
    8,570.88x = 66,005,746.11
  5. Step 5: Solve for x
    x = 66,005,746.11/8,570.88
  6. Step 6: Final answer
    x = 7,701.16

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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.