Home / 8,723.54-12,038.64-4,744.64

Finding the Fourth Proportional to 8,723.54, 12,038.64 and 4,744.64

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Solution

The fourth proportional to 8,723.54, 12,038.64 and 4,744.64 is: 6,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.54 : 12,038.64 = 4,744.64 : x
  2. Step 2: Convert to fraction form
    8,723.54/12,038.64 = 4,744.64/x
  3. Step 3: Cross multiply
    8,723.54x = 12,038.64 × 4,744.64
  4. Step 4: Simplify right side
    8,723.54x = 57,119,012.89
  5. Step 5: Solve for x
    x = 57,119,012.89/8,723.54
  6. Step 6: Final answer
    x = 6,547.69

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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.