Home / 8,347.88-11,518.34-5,363.30

Finding the Fourth Proportional to 8,347.88, 11,518.34 and 5,363.30

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Solution

The fourth proportional to 8,347.88, 11,518.34 and 5,363.30 is: 7,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.88 : 11,518.34 = 5,363.30 : x
  2. Step 2: Convert to fraction form
    8,347.88/11,518.34 = 5,363.30/x
  3. Step 3: Cross multiply
    8,347.88x = 11,518.34 × 5,363.30
  4. Step 4: Simplify right side
    8,347.88x = 61,776,312.92
  5. Step 5: Solve for x
    x = 61,776,312.92/8,347.88
  6. Step 6: Final answer
    x = 7,400.24

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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.