Home / 4,430.17-6,643.70-1,309.35

Finding the Fourth Proportional to 4,430.17, 6,643.70 and 1,309.35

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Solution

The fourth proportional to 4,430.17, 6,643.70 and 1,309.35 is: 1,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.17 : 6,643.70 = 1,309.35 : x
  2. Step 2: Convert to fraction form
    4,430.17/6,643.70 = 1,309.35/x
  3. Step 3: Cross multiply
    4,430.17x = 6,643.70 × 1,309.35
  4. Step 4: Simplify right side
    4,430.17x = 8,698,928.60
  5. Step 5: Solve for x
    x = 8,698,928.60/4,430.17
  6. Step 6: Final answer
    x = 1,963.57

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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.