Home / 4,784.16-6,602-2,688.32

Finding the Fourth Proportional to 4,784.16, 6,602 and 2,688.32

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Solution

The fourth proportional to 4,784.16, 6,602 and 2,688.32 is: 3,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.16 : 6,602 = 2,688.32 : x
  2. Step 2: Convert to fraction form
    4,784.16/6,602 = 2,688.32/x
  3. Step 3: Cross multiply
    4,784.16x = 6,602 × 2,688.32
  4. Step 4: Simplify right side
    4,784.16x = 17,748,288.64
  5. Step 5: Solve for x
    x = 17,748,288.64/4,784.16
  6. Step 6: Final answer
    x = 3,709.80

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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.