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Finding the Fourth Proportional to 8,891.77, 13,317.46 and 6,271.01

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Solution

The fourth proportional to 8,891.77, 13,317.46 and 6,271.01 is: 9,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.77 : 13,317.46 = 6,271.01 : x
  2. Step 2: Convert to fraction form
    8,891.77/13,317.46 = 6,271.01/x
  3. Step 3: Cross multiply
    8,891.77x = 13,317.46 × 6,271.01
  4. Step 4: Simplify right side
    8,891.77x = 83,513,924.83
  5. Step 5: Solve for x
    x = 83,513,924.83/8,891.77
  6. Step 6: Final answer
    x = 9,392.27

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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.