Home / 8,354.07-11,528.73-5,370.89

Finding the Fourth Proportional to 8,354.07, 11,528.73 and 5,370.89

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Solution

The fourth proportional to 8,354.07, 11,528.73 and 5,370.89 is: 7,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.07 : 11,528.73 = 5,370.89 : x
  2. Step 2: Convert to fraction form
    8,354.07/11,528.73 = 5,370.89/x
  3. Step 3: Cross multiply
    8,354.07x = 11,528.73 × 5,370.89
  4. Step 4: Simplify right side
    8,354.07x = 61,919,483.03
  5. Step 5: Solve for x
    x = 61,919,483.03/8,354.07
  6. Step 6: Final answer
    x = 7,411.89

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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.