Home / 6,417.63-8,856.32-3,623.13

Finding the Fourth Proportional to 6,417.63, 8,856.32 and 3,623.13

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Solution

The fourth proportional to 6,417.63, 8,856.32 and 3,623.13 is: 4,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.63 : 8,856.32 = 3,623.13 : x
  2. Step 2: Convert to fraction form
    6,417.63/8,856.32 = 3,623.13/x
  3. Step 3: Cross multiply
    6,417.63x = 8,856.32 × 3,623.13
  4. Step 4: Simplify right side
    6,417.63x = 32,087,598.68
  5. Step 5: Solve for x
    x = 32,087,598.68/6,417.63
  6. Step 6: Final answer
    x = 4,999.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.