Home / 4,455.93-6,681.85-1,292.65

Finding the Fourth Proportional to 4,455.93, 6,681.85 and 1,292.65

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Solution

The fourth proportional to 4,455.93, 6,681.85 and 1,292.65 is: 1,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.93 : 6,681.85 = 1,292.65 : x
  2. Step 2: Convert to fraction form
    4,455.93/6,681.85 = 1,292.65/x
  3. Step 3: Cross multiply
    4,455.93x = 6,681.85 × 1,292.65
  4. Step 4: Simplify right side
    4,455.93x = 8,637,293.40
  5. Step 5: Solve for x
    x = 8,637,293.40/4,455.93
  6. Step 6: Final answer
    x = 1,938.38

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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.