Home / 5,341.30-8,011.95-1,643.50

Finding the Fourth Proportional to 5,341.30, 8,011.95 and 1,643.50

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Solution

The fourth proportional to 5,341.30, 8,011.95 and 1,643.50 is: 2,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.30 : 8,011.95 = 1,643.50 : x
  2. Step 2: Convert to fraction form
    5,341.30/8,011.95 = 1,643.50/x
  3. Step 3: Cross multiply
    5,341.30x = 8,011.95 × 1,643.50
  4. Step 4: Simplify right side
    5,341.30x = 13,167,639.83
  5. Step 5: Solve for x
    x = 13,167,639.83/5,341.30
  6. Step 6: Final answer
    x = 2,465.25

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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.