Home / 5,075.84-7,615.20-1,613.36

Finding the Fourth Proportional to 5,075.84, 7,615.20 and 1,613.36

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Solution

The fourth proportional to 5,075.84, 7,615.20 and 1,613.36 is: 2,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.84 : 7,615.20 = 1,613.36 : x
  2. Step 2: Convert to fraction form
    5,075.84/7,615.20 = 1,613.36/x
  3. Step 3: Cross multiply
    5,075.84x = 7,615.20 × 1,613.36
  4. Step 4: Simplify right side
    5,075.84x = 12,286,059.07
  5. Step 5: Solve for x
    x = 12,286,059.07/5,075.84
  6. Step 6: Final answer
    x = 2,420.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.