Home / 6,615.09-9,113.40-4,622.49

Finding the Fourth Proportional to 6,615.09, 9,113.40 and 4,622.49

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Solution

The fourth proportional to 6,615.09, 9,113.40 and 4,622.49 is: 6,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.09 : 9,113.40 = 4,622.49 : x
  2. Step 2: Convert to fraction form
    6,615.09/9,113.40 = 4,622.49/x
  3. Step 3: Cross multiply
    6,615.09x = 9,113.40 × 4,622.49
  4. Step 4: Simplify right side
    6,615.09x = 42,126,600.37
  5. Step 5: Solve for x
    x = 42,126,600.37/6,615.09
  6. Step 6: Final answer
    x = 6,368.26

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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.