Home / 4,050.47-6,075.79-1,128.74

Finding the Fourth Proportional to 4,050.47, 6,075.79 and 1,128.74

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Solution

The fourth proportional to 4,050.47, 6,075.79 and 1,128.74 is: 1,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,050.47 : 6,075.79 = 1,128.74 : x
  2. Step 2: Convert to fraction form
    4,050.47/6,075.79 = 1,128.74/x
  3. Step 3: Cross multiply
    4,050.47x = 6,075.79 × 1,128.74
  4. Step 4: Simplify right side
    4,050.47x = 6,857,954.00
  5. Step 5: Solve for x
    x = 6,857,954.00/4,050.47
  6. Step 6: Final answer
    x = 1,693.12

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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.