Home / 6,921.49-9,555.60-4,570.45

Finding the Fourth Proportional to 6,921.49, 9,555.60 and 4,570.45

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Solution

The fourth proportional to 6,921.49, 9,555.60 and 4,570.45 is: 6,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.49 : 9,555.60 = 4,570.45 : x
  2. Step 2: Convert to fraction form
    6,921.49/9,555.60 = 4,570.45/x
  3. Step 3: Cross multiply
    6,921.49x = 9,555.60 × 4,570.45
  4. Step 4: Simplify right side
    6,921.49x = 43,673,392.02
  5. Step 5: Solve for x
    x = 43,673,392.02/6,921.49
  6. Step 6: Final answer
    x = 6,309.83

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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.