Home / 7,926.04-10,938-4,389.28

Finding the Fourth Proportional to 7,926.04, 10,938 and 4,389.28

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Solution

The fourth proportional to 7,926.04, 10,938 and 4,389.28 is: 6,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.04 : 10,938 = 4,389.28 : x
  2. Step 2: Convert to fraction form
    7,926.04/10,938 = 4,389.28/x
  3. Step 3: Cross multiply
    7,926.04x = 10,938 × 4,389.28
  4. Step 4: Simplify right side
    7,926.04x = 48,009,944.64
  5. Step 5: Solve for x
    x = 48,009,944.64/7,926.04
  6. Step 6: Final answer
    x = 6,057.24

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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.