Home / 6,923.64-10,387.98-3,030.78

Finding the Fourth Proportional to 6,923.64, 10,387.98 and 3,030.78

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Solution

The fourth proportional to 6,923.64, 10,387.98 and 3,030.78 is: 4,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.64 : 10,387.98 = 3,030.78 : x
  2. Step 2: Convert to fraction form
    6,923.64/10,387.98 = 3,030.78/x
  3. Step 3: Cross multiply
    6,923.64x = 10,387.98 × 3,030.78
  4. Step 4: Simplify right side
    6,923.64x = 31,483,682.02
  5. Step 5: Solve for x
    x = 31,483,682.02/6,923.64
  6. Step 6: Final answer
    x = 4,547.27

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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.