Home / 8,853.39-12,210.33-5,314.08

Finding the Fourth Proportional to 8,853.39, 12,210.33 and 5,314.08

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Solution

The fourth proportional to 8,853.39, 12,210.33 and 5,314.08 is: 7,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.39 : 12,210.33 = 5,314.08 : x
  2. Step 2: Convert to fraction form
    8,853.39/12,210.33 = 5,314.08/x
  3. Step 3: Cross multiply
    8,853.39x = 12,210.33 × 5,314.08
  4. Step 4: Simplify right side
    8,853.39x = 64,886,670.45
  5. Step 5: Solve for x
    x = 64,886,670.45/8,853.39
  6. Step 6: Final answer
    x = 7,329.02

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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.