Home / 5,127.60-7,075.98-3,032.40

Finding the Fourth Proportional to 5,127.60, 7,075.98 and 3,032.40

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Solution

The fourth proportional to 5,127.60, 7,075.98 and 3,032.40 is: 4,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.60 : 7,075.98 = 3,032.40 : x
  2. Step 2: Convert to fraction form
    5,127.60/7,075.98 = 3,032.40/x
  3. Step 3: Cross multiply
    5,127.60x = 7,075.98 × 3,032.40
  4. Step 4: Simplify right side
    5,127.60x = 21,457,201.75
  5. Step 5: Solve for x
    x = 21,457,201.75/5,127.60
  6. Step 6: Final answer
    x = 4,184.65

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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.