Home / 9,809.04-13,536.40-5,617.28

Finding the Fourth Proportional to 9,809.04, 13,536.40 and 5,617.28

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Solution

The fourth proportional to 9,809.04, 13,536.40 and 5,617.28 is: 7,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.04 : 13,536.40 = 5,617.28 : x
  2. Step 2: Convert to fraction form
    9,809.04/13,536.40 = 5,617.28/x
  3. Step 3: Cross multiply
    9,809.04x = 13,536.40 × 5,617.28
  4. Step 4: Simplify right side
    9,809.04x = 76,037,748.99
  5. Step 5: Solve for x
    x = 76,037,748.99/9,809.04
  6. Step 6: Final answer
    x = 7,751.80

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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.