Home / 6,430.30-9,643.05-4,476.70

Finding the Fourth Proportional to 6,430.30, 9,643.05 and 4,476.70

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Solution

The fourth proportional to 6,430.30, 9,643.05 and 4,476.70 is: 6,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.30 : 9,643.05 = 4,476.70 : x
  2. Step 2: Convert to fraction form
    6,430.30/9,643.05 = 4,476.70/x
  3. Step 3: Cross multiply
    6,430.30x = 9,643.05 × 4,476.70
  4. Step 4: Simplify right side
    6,430.30x = 43,169,041.94
  5. Step 5: Solve for x
    x = 43,169,041.94/6,430.30
  6. Step 6: Final answer
    x = 6,713.38

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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.