Home / 7,992.90-11,030.27-4,637.72

Finding the Fourth Proportional to 7,992.90, 11,030.27 and 4,637.72

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Solution

The fourth proportional to 7,992.90, 11,030.27 and 4,637.72 is: 6,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.90 : 11,030.27 = 4,637.72 : x
  2. Step 2: Convert to fraction form
    7,992.90/11,030.27 = 4,637.72/x
  3. Step 3: Cross multiply
    7,992.90x = 11,030.27 × 4,637.72
  4. Step 4: Simplify right side
    7,992.90x = 51,155,308.17
  5. Step 5: Solve for x
    x = 51,155,308.17/7,992.90
  6. Step 6: Final answer
    x = 6,400.09

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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.