Home / 5,435.77-8,153.40-1,925.72

Finding the Fourth Proportional to 5,435.77, 8,153.40 and 1,925.72

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Solution

The fourth proportional to 5,435.77, 8,153.40 and 1,925.72 is: 2,888.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.77 : 8,153.40 = 1,925.72 : x
  2. Step 2: Convert to fraction form
    5,435.77/8,153.40 = 1,925.72/x
  3. Step 3: Cross multiply
    5,435.77x = 8,153.40 × 1,925.72
  4. Step 4: Simplify right side
    5,435.77x = 15,701,151.65
  5. Step 5: Solve for x
    x = 15,701,151.65/5,435.77
  6. Step 6: Final answer
    x = 2,888.49

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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.