Home / 7,827.56-10,801.93-4,290.77

Finding the Fourth Proportional to 7,827.56, 10,801.93 and 4,290.77

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Solution

The fourth proportional to 7,827.56, 10,801.93 and 4,290.77 is: 5,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.56 : 10,801.93 = 4,290.77 : x
  2. Step 2: Convert to fraction form
    7,827.56/10,801.93 = 4,290.77/x
  3. Step 3: Cross multiply
    7,827.56x = 10,801.93 × 4,290.77
  4. Step 4: Simplify right side
    7,827.56x = 46,348,597.19
  5. Step 5: Solve for x
    x = 46,348,597.19/7,827.56
  6. Step 6: Final answer
    x = 5,921.21

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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.