Home / 5,555.79-7,661.22-4,297.05

Finding the Fourth Proportional to 5,555.79, 7,661.22 and 4,297.05

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Solution

The fourth proportional to 5,555.79, 7,661.22 and 4,297.05 is: 5,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.79 : 7,661.22 = 4,297.05 : x
  2. Step 2: Convert to fraction form
    5,555.79/7,661.22 = 4,297.05/x
  3. Step 3: Cross multiply
    5,555.79x = 7,661.22 × 4,297.05
  4. Step 4: Simplify right side
    5,555.79x = 32,920,645.40
  5. Step 5: Solve for x
    x = 32,920,645.40/5,555.79
  6. Step 6: Final answer
    x = 5,925.47

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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.