Home / 8,315.86-11,475.59-4,956.94

Finding the Fourth Proportional to 8,315.86, 11,475.59 and 4,956.94

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Solution

The fourth proportional to 8,315.86, 11,475.59 and 4,956.94 is: 6,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.86 : 11,475.59 = 4,956.94 : x
  2. Step 2: Convert to fraction form
    8,315.86/11,475.59 = 4,956.94/x
  3. Step 3: Cross multiply
    8,315.86x = 11,475.59 × 4,956.94
  4. Step 4: Simplify right side
    8,315.86x = 56,883,800.99
  5. Step 5: Solve for x
    x = 56,883,800.99/8,315.86
  6. Step 6: Final answer
    x = 6,840.40

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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.