Home / 6,715.86-10,054.35-5,607.78

Finding the Fourth Proportional to 6,715.86, 10,054.35 and 5,607.78

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Solution

The fourth proportional to 6,715.86, 10,054.35 and 5,607.78 is: 8,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.86 : 10,054.35 = 5,607.78 : x
  2. Step 2: Convert to fraction form
    6,715.86/10,054.35 = 5,607.78/x
  3. Step 3: Cross multiply
    6,715.86x = 10,054.35 × 5,607.78
  4. Step 4: Simplify right side
    6,715.86x = 56,382,582.84
  5. Step 5: Solve for x
    x = 56,382,582.84/6,715.86
  6. Step 6: Final answer
    x = 8,395.44

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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.