Home / 7,883.09-10,878.79-4,298.11

Finding the Fourth Proportional to 7,883.09, 10,878.79 and 4,298.11

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Solution

The fourth proportional to 7,883.09, 10,878.79 and 4,298.11 is: 5,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.09 : 10,878.79 = 4,298.11 : x
  2. Step 2: Convert to fraction form
    7,883.09/10,878.79 = 4,298.11/x
  3. Step 3: Cross multiply
    7,883.09x = 10,878.79 × 4,298.11
  4. Step 4: Simplify right side
    7,883.09x = 46,758,267.40
  5. Step 5: Solve for x
    x = 46,758,267.40/7,883.09
  6. Step 6: Final answer
    x = 5,931.47

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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.