Home / 7,077.51-9,760.41-4,555.17

Finding the Fourth Proportional to 7,077.51, 9,760.41 and 4,555.17

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Solution

The fourth proportional to 7,077.51, 9,760.41 and 4,555.17 is: 6,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.51 : 9,760.41 = 4,555.17 : x
  2. Step 2: Convert to fraction form
    7,077.51/9,760.41 = 4,555.17/x
  3. Step 3: Cross multiply
    7,077.51x = 9,760.41 × 4,555.17
  4. Step 4: Simplify right side
    7,077.51x = 44,460,326.82
  5. Step 5: Solve for x
    x = 44,460,326.82/7,077.51
  6. Step 6: Final answer
    x = 6,281.92

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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.