Home / 7,813.91-10,783.47-4,277.45

Finding the Fourth Proportional to 7,813.91, 10,783.47 and 4,277.45

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Solution

The fourth proportional to 7,813.91, 10,783.47 and 4,277.45 is: 5,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.91 : 10,783.47 = 4,277.45 : x
  2. Step 2: Convert to fraction form
    7,813.91/10,783.47 = 4,277.45/x
  3. Step 3: Cross multiply
    7,813.91x = 10,783.47 × 4,277.45
  4. Step 4: Simplify right side
    7,813.91x = 46,125,753.75
  5. Step 5: Solve for x
    x = 46,125,753.75/7,813.91
  6. Step 6: Final answer
    x = 5,903.03

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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.