Home / 9,709.08-14,562.21-4,777.40

Finding the Fourth Proportional to 9,709.08, 14,562.21 and 4,777.40

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Solution

The fourth proportional to 9,709.08, 14,562.21 and 4,777.40 is: 7,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.08 : 14,562.21 = 4,777.40 : x
  2. Step 2: Convert to fraction form
    9,709.08/14,562.21 = 4,777.40/x
  3. Step 3: Cross multiply
    9,709.08x = 14,562.21 × 4,777.40
  4. Step 4: Simplify right side
    9,709.08x = 69,569,502.05
  5. Step 5: Solve for x
    x = 69,569,502.05/9,709.08
  6. Step 6: Final answer
    x = 7,165.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.