Home / 8,130.34-11,219.64-4,773.10

Finding the Fourth Proportional to 8,130.34, 11,219.64 and 4,773.10

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Solution

The fourth proportional to 8,130.34, 11,219.64 and 4,773.10 is: 6,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.34 : 11,219.64 = 4,773.10 : x
  2. Step 2: Convert to fraction form
    8,130.34/11,219.64 = 4,773.10/x
  3. Step 3: Cross multiply
    8,130.34x = 11,219.64 × 4,773.10
  4. Step 4: Simplify right side
    8,130.34x = 53,552,463.68
  5. Step 5: Solve for x
    x = 53,552,463.68/8,130.34
  6. Step 6: Final answer
    x = 6,586.74

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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.