Home / 5,643.10-8,465.63-2,358.50

Finding the Fourth Proportional to 5,643.10, 8,465.63 and 2,358.50

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Solution

The fourth proportional to 5,643.10, 8,465.63 and 2,358.50 is: 3,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.10 : 8,465.63 = 2,358.50 : x
  2. Step 2: Convert to fraction form
    5,643.10/8,465.63 = 2,358.50/x
  3. Step 3: Cross multiply
    5,643.10x = 8,465.63 × 2,358.50
  4. Step 4: Simplify right side
    5,643.10x = 19,966,134.23
  5. Step 5: Solve for x
    x = 19,966,134.23/5,643.10
  6. Step 6: Final answer
    x = 3,538.15

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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.