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Finding the Fourth Proportional to 6,309.58, 8,707.10 and 3,477.22

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Solution

The fourth proportional to 6,309.58, 8,707.10 and 3,477.22 is: 4,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.58 : 8,707.10 = 3,477.22 : x
  2. Step 2: Convert to fraction form
    6,309.58/8,707.10 = 3,477.22/x
  3. Step 3: Cross multiply
    6,309.58x = 8,707.10 × 3,477.22
  4. Step 4: Simplify right side
    6,309.58x = 30,276,502.26
  5. Step 5: Solve for x
    x = 30,276,502.26/6,309.58
  6. Step 6: Final answer
    x = 4,798.50

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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.