Home / 5,632.31-8,448.47-1,528.31

Finding the Fourth Proportional to 5,632.31, 8,448.47 and 1,528.31

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Solution

The fourth proportional to 5,632.31, 8,448.47 and 1,528.31 is: 2,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.31 : 8,448.47 = 1,528.31 : x
  2. Step 2: Convert to fraction form
    5,632.31/8,448.47 = 1,528.31/x
  3. Step 3: Cross multiply
    5,632.31x = 8,448.47 × 1,528.31
  4. Step 4: Simplify right side
    5,632.31x = 12,911,881.19
  5. Step 5: Solve for x
    x = 12,911,881.19/5,632.31
  6. Step 6: Final answer
    x = 2,292.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.