Home / 4,075.89-6,115.74-1,885.05

Finding the Fourth Proportional to 4,075.89, 6,115.74 and 1,885.05

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Solution

The fourth proportional to 4,075.89, 6,115.74 and 1,885.05 is: 2,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.89 : 6,115.74 = 1,885.05 : x
  2. Step 2: Convert to fraction form
    4,075.89/6,115.74 = 1,885.05/x
  3. Step 3: Cross multiply
    4,075.89x = 6,115.74 × 1,885.05
  4. Step 4: Simplify right side
    4,075.89x = 11,528,475.69
  5. Step 5: Solve for x
    x = 11,528,475.69/4,075.89
  6. Step 6: Final answer
    x = 2,828.46

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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.