Home / 8,312.40-11,471.76-4,776.84

Finding the Fourth Proportional to 8,312.40, 11,471.76 and 4,776.84

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Solution

The fourth proportional to 8,312.40, 11,471.76 and 4,776.84 is: 6,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.40 : 11,471.76 = 4,776.84 : x
  2. Step 2: Convert to fraction form
    8,312.40/11,471.76 = 4,776.84/x
  3. Step 3: Cross multiply
    8,312.40x = 11,471.76 × 4,776.84
  4. Step 4: Simplify right side
    8,312.40x = 54,798,762.04
  5. Step 5: Solve for x
    x = 54,798,762.04/8,312.40
  6. Step 6: Final answer
    x = 6,592.41

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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.