Home / 7,998.90-11,035.65-5,347.98

Finding the Fourth Proportional to 7,998.90, 11,035.65 and 5,347.98

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Solution

The fourth proportional to 7,998.90, 11,035.65 and 5,347.98 is: 7,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.90 : 11,035.65 = 5,347.98 : x
  2. Step 2: Convert to fraction form
    7,998.90/11,035.65 = 5,347.98/x
  3. Step 3: Cross multiply
    7,998.90x = 11,035.65 × 5,347.98
  4. Step 4: Simplify right side
    7,998.90x = 59,018,435.49
  5. Step 5: Solve for x
    x = 59,018,435.49/7,998.90
  6. Step 6: Final answer
    x = 7,378.32

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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.