Home / 7,926.45-10,938.93-4,389.69

Finding the Fourth Proportional to 7,926.45, 10,938.93 and 4,389.69

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Solution

The fourth proportional to 7,926.45, 10,938.93 and 4,389.69 is: 6,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.45 : 10,938.93 = 4,389.69 : x
  2. Step 2: Convert to fraction form
    7,926.45/10,938.93 = 4,389.69/x
  3. Step 3: Cross multiply
    7,926.45x = 10,938.93 × 4,389.69
  4. Step 4: Simplify right side
    7,926.45x = 48,018,511.63
  5. Step 5: Solve for x
    x = 48,018,511.63/7,926.45
  6. Step 6: Final answer
    x = 6,058.01

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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.