Home / 7,713.12-10,643.16-4,356.36

Finding the Fourth Proportional to 7,713.12, 10,643.16 and 4,356.36

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Solution

The fourth proportional to 7,713.12, 10,643.16 and 4,356.36 is: 6,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.12 : 10,643.16 = 4,356.36 : x
  2. Step 2: Convert to fraction form
    7,713.12/10,643.16 = 4,356.36/x
  3. Step 3: Cross multiply
    7,713.12x = 10,643.16 × 4,356.36
  4. Step 4: Simplify right side
    7,713.12x = 46,365,436.50
  5. Step 5: Solve for x
    x = 46,365,436.50/7,713.12
  6. Step 6: Final answer
    x = 6,011.24

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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.