Home / 7,847.07-10,830.09-4,703.55

Finding the Fourth Proportional to 7,847.07, 10,830.09 and 4,703.55

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Solution

The fourth proportional to 7,847.07, 10,830.09 and 4,703.55 is: 6,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.07 : 10,830.09 = 4,703.55 : x
  2. Step 2: Convert to fraction form
    7,847.07/10,830.09 = 4,703.55/x
  3. Step 3: Cross multiply
    7,847.07x = 10,830.09 × 4,703.55
  4. Step 4: Simplify right side
    7,847.07x = 50,939,869.82
  5. Step 5: Solve for x
    x = 50,939,869.82/7,847.07
  6. Step 6: Final answer
    x = 6,491.58

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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.