Home / 7,827.50-10,801.96-4,290.84

Finding the Fourth Proportional to 7,827.50, 10,801.96 and 4,290.84

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Solution

The fourth proportional to 7,827.50, 10,801.96 and 4,290.84 is: 5,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.50 : 10,801.96 = 4,290.84 : x
  2. Step 2: Convert to fraction form
    7,827.50/10,801.96 = 4,290.84/x
  3. Step 3: Cross multiply
    7,827.50x = 10,801.96 × 4,290.84
  4. Step 4: Simplify right side
    7,827.50x = 46,349,482.05
  5. Step 5: Solve for x
    x = 46,349,482.05/7,827.50
  6. Step 6: Final answer
    x = 5,921.36

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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.