Home / 8,298.84-11,437.02-5,646.36

Finding the Fourth Proportional to 8,298.84, 11,437.02 and 5,646.36

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Solution

The fourth proportional to 8,298.84, 11,437.02 and 5,646.36 is: 7,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.84 : 11,437.02 = 5,646.36 : x
  2. Step 2: Convert to fraction form
    8,298.84/11,437.02 = 5,646.36/x
  3. Step 3: Cross multiply
    8,298.84x = 11,437.02 × 5,646.36
  4. Step 4: Simplify right side
    8,298.84x = 64,577,532.25
  5. Step 5: Solve for x
    x = 64,577,532.25/8,298.84
  6. Step 6: Final answer
    x = 7,781.51

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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.