Home / 4,784.63-6,603.39-2,688.75

Finding the Fourth Proportional to 4,784.63, 6,603.39 and 2,688.75

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Solution

The fourth proportional to 4,784.63, 6,603.39 and 2,688.75 is: 3,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.63 : 6,603.39 = 2,688.75 : x
  2. Step 2: Convert to fraction form
    4,784.63/6,603.39 = 2,688.75/x
  3. Step 3: Cross multiply
    4,784.63x = 6,603.39 × 2,688.75
  4. Step 4: Simplify right side
    4,784.63x = 17,754,864.86
  5. Step 5: Solve for x
    x = 17,754,864.86/4,784.63
  6. Step 6: Final answer
    x = 3,710.82

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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.