Home / 8,370.45-11,541.74-5,341.50

Finding the Fourth Proportional to 8,370.45, 11,541.74 and 5,341.50

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Solution

The fourth proportional to 8,370.45, 11,541.74 and 5,341.50 is: 7,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.45 : 11,541.74 = 5,341.50 : x
  2. Step 2: Convert to fraction form
    8,370.45/11,541.74 = 5,341.50/x
  3. Step 3: Cross multiply
    8,370.45x = 11,541.74 × 5,341.50
  4. Step 4: Simplify right side
    8,370.45x = 61,650,177.50
  5. Step 5: Solve for x
    x = 61,650,177.50/8,370.45
  6. Step 6: Final answer
    x = 7,365.22

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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.