Home / 8,722.86-12,037.80-4,744.23

Finding the Fourth Proportional to 8,722.86, 12,037.80 and 4,744.23

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Solution

The fourth proportional to 8,722.86, 12,037.80 and 4,744.23 is: 6,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.86 : 12,037.80 = 4,744.23 : x
  2. Step 2: Convert to fraction form
    8,722.86/12,037.80 = 4,744.23/x
  3. Step 3: Cross multiply
    8,722.86x = 12,037.80 × 4,744.23
  4. Step 4: Simplify right side
    8,722.86x = 57,110,142.51
  5. Step 5: Solve for x
    x = 57,110,142.51/8,722.86
  6. Step 6: Final answer
    x = 6,547.18

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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.