Home / 4,255.34-6,386.95-2,176.82

Finding the Fourth Proportional to 4,255.34, 6,386.95 and 2,176.82

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Solution

The fourth proportional to 4,255.34, 6,386.95 and 2,176.82 is: 3,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.34 : 6,386.95 = 2,176.82 : x
  2. Step 2: Convert to fraction form
    4,255.34/6,386.95 = 2,176.82/x
  3. Step 3: Cross multiply
    4,255.34x = 6,386.95 × 2,176.82
  4. Step 4: Simplify right side
    4,255.34x = 13,903,271.16
  5. Step 5: Solve for x
    x = 13,903,271.16/4,255.34
  6. Step 6: Final answer
    x = 3,267.26

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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.