Home / 6,426-8,867.52-4,659.84

Finding the Fourth Proportional to 6,426, 8,867.52 and 4,659.84

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Solution

The fourth proportional to 6,426, 8,867.52 and 4,659.84 is: 6,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426 : 8,867.52 = 4,659.84 : x
  2. Step 2: Convert to fraction form
    6,426/8,867.52 = 4,659.84/x
  3. Step 3: Cross multiply
    6,426x = 8,867.52 × 4,659.84
  4. Step 4: Simplify right side
    6,426x = 41,321,224.40
  5. Step 5: Solve for x
    x = 41,321,224.40/6,426
  6. Step 6: Final answer
    x = 6,430.32

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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.