Home / 5,437.05-8,153.57-1,878.26

Finding the Fourth Proportional to 5,437.05, 8,153.57 and 1,878.26

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Solution

The fourth proportional to 5,437.05, 8,153.57 and 1,878.26 is: 2,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.05 : 8,153.57 = 1,878.26 : x
  2. Step 2: Convert to fraction form
    5,437.05/8,153.57 = 1,878.26/x
  3. Step 3: Cross multiply
    5,437.05x = 8,153.57 × 1,878.26
  4. Step 4: Simplify right side
    5,437.05x = 15,314,515.77
  5. Step 5: Solve for x
    x = 15,314,515.77/5,437.05
  6. Step 6: Final answer
    x = 2,816.70

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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.