Home / 6,075.78-9,113.49-1,915.80

Finding the Fourth Proportional to 6,075.78, 9,113.49 and 1,915.80

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Solution

The fourth proportional to 6,075.78, 9,113.49 and 1,915.80 is: 2,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.78 : 9,113.49 = 1,915.80 : x
  2. Step 2: Convert to fraction form
    6,075.78/9,113.49 = 1,915.80/x
  3. Step 3: Cross multiply
    6,075.78x = 9,113.49 × 1,915.80
  4. Step 4: Simplify right side
    6,075.78x = 17,459,624.14
  5. Step 5: Solve for x
    x = 17,459,624.14/6,075.78
  6. Step 6: Final answer
    x = 2,873.64

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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.