Home / 7,813.32-10,782.58-4,456.45

Finding the Fourth Proportional to 7,813.32, 10,782.58 and 4,456.45

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Solution

The fourth proportional to 7,813.32, 10,782.58 and 4,456.45 is: 6,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.32 : 10,782.58 = 4,456.45 : x
  2. Step 2: Convert to fraction form
    7,813.32/10,782.58 = 4,456.45/x
  3. Step 3: Cross multiply
    7,813.32x = 10,782.58 × 4,456.45
  4. Step 4: Simplify right side
    7,813.32x = 48,051,993.78
  5. Step 5: Solve for x
    x = 48,051,993.78/7,813.32
  6. Step 6: Final answer
    x = 6,150.01

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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.