Home / 5,124.90-7,075.02-3,455.09

Finding the Fourth Proportional to 5,124.90, 7,075.02 and 3,455.09

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Solution

The fourth proportional to 5,124.90, 7,075.02 and 3,455.09 is: 4,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.90 : 7,075.02 = 3,455.09 : x
  2. Step 2: Convert to fraction form
    5,124.90/7,075.02 = 3,455.09/x
  3. Step 3: Cross multiply
    5,124.90x = 7,075.02 × 3,455.09
  4. Step 4: Simplify right side
    5,124.90x = 24,444,795.48
  5. Step 5: Solve for x
    x = 24,444,795.48/5,124.90
  6. Step 6: Final answer
    x = 4,769.81

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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.