Home / 8,354.40-11,528.24-4,628.16

Finding the Fourth Proportional to 8,354.40, 11,528.24 and 4,628.16

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Solution

The fourth proportional to 8,354.40, 11,528.24 and 4,628.16 is: 6,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.40 : 11,528.24 = 4,628.16 : x
  2. Step 2: Convert to fraction form
    8,354.40/11,528.24 = 4,628.16/x
  3. Step 3: Cross multiply
    8,354.40x = 11,528.24 × 4,628.16
  4. Step 4: Simplify right side
    8,354.40x = 53,354,539.24
  5. Step 5: Solve for x
    x = 53,354,539.24/8,354.40
  6. Step 6: Final answer
    x = 6,386.40

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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.