Home / 5,320.10-7,341.84-2,962.40

Finding the Fourth Proportional to 5,320.10, 7,341.84 and 2,962.40

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Solution

The fourth proportional to 5,320.10, 7,341.84 and 2,962.40 is: 4,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.10 : 7,341.84 = 2,962.40 : x
  2. Step 2: Convert to fraction form
    5,320.10/7,341.84 = 2,962.40/x
  3. Step 3: Cross multiply
    5,320.10x = 7,341.84 × 2,962.40
  4. Step 4: Simplify right side
    5,320.10x = 21,749,466.82
  5. Step 5: Solve for x
    x = 21,749,466.82/5,320.10
  6. Step 6: Final answer
    x = 4,088.17

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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.