Home / 5,038.90-7,555.33-2,075.05

Finding the Fourth Proportional to 5,038.90, 7,555.33 and 2,075.05

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Solution

The fourth proportional to 5,038.90, 7,555.33 and 2,075.05 is: 3,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.90 : 7,555.33 = 2,075.05 : x
  2. Step 2: Convert to fraction form
    5,038.90/7,555.33 = 2,075.05/x
  3. Step 3: Cross multiply
    5,038.90x = 7,555.33 × 2,075.05
  4. Step 4: Simplify right side
    5,038.90x = 15,677,687.52
  5. Step 5: Solve for x
    x = 15,677,687.52/5,038.90
  6. Step 6: Final answer
    x = 3,111.33

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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.