Home / 7,917.01-10,925.13-4,380

Finding the Fourth Proportional to 7,917.01, 10,925.13 and 4,380

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Solution

The fourth proportional to 7,917.01, 10,925.13 and 4,380 is: 6,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.01 : 10,925.13 = 4,380 : x
  2. Step 2: Convert to fraction form
    7,917.01/10,925.13 = 4,380/x
  3. Step 3: Cross multiply
    7,917.01x = 10,925.13 × 4,380
  4. Step 4: Simplify right side
    7,917.01x = 47,852,069.40
  5. Step 5: Solve for x
    x = 47,852,069.40/7,917.01
  6. Step 6: Final answer
    x = 6,044.21

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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.