Home / 4,784.19-6,602.80-2,688.32

Finding the Fourth Proportional to 4,784.19, 6,602.80 and 2,688.32

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Solution

The fourth proportional to 4,784.19, 6,602.80 and 2,688.32 is: 3,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.19 : 6,602.80 = 2,688.32 : x
  2. Step 2: Convert to fraction form
    4,784.19/6,602.80 = 2,688.32/x
  3. Step 3: Cross multiply
    4,784.19x = 6,602.80 × 2,688.32
  4. Step 4: Simplify right side
    4,784.19x = 17,750,406.28
  5. Step 5: Solve for x
    x = 17,750,406.28/4,784.19
  6. Step 6: Final answer
    x = 3,710.22

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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.