Home / 6,894.12-10,345.77-4,430.70

Finding the Fourth Proportional to 6,894.12, 10,345.77 and 4,430.70

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Solution

The fourth proportional to 6,894.12, 10,345.77 and 4,430.70 is: 6,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.12 : 10,345.77 = 4,430.70 : x
  2. Step 2: Convert to fraction form
    6,894.12/10,345.77 = 4,430.70/x
  3. Step 3: Cross multiply
    6,894.12x = 10,345.77 × 4,430.70
  4. Step 4: Simplify right side
    6,894.12x = 45,839,003.14
  5. Step 5: Solve for x
    x = 45,839,003.14/6,894.12
  6. Step 6: Final answer
    x = 6,649.00

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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.