Home / 8,813.13-13,210.35-4,129.19

Finding the Fourth Proportional to 8,813.13, 13,210.35 and 4,129.19

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Solution

The fourth proportional to 8,813.13, 13,210.35 and 4,129.19 is: 6,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.13 : 13,210.35 = 4,129.19 : x
  2. Step 2: Convert to fraction form
    8,813.13/13,210.35 = 4,129.19/x
  3. Step 3: Cross multiply
    8,813.13x = 13,210.35 × 4,129.19
  4. Step 4: Simplify right side
    8,813.13x = 54,547,958.42
  5. Step 5: Solve for x
    x = 54,547,958.42/8,813.13
  6. Step 6: Final answer
    x = 6,189.40

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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.