Home / 4,380.47-6,570.70-1,302.47

Finding the Fourth Proportional to 4,380.47, 6,570.70 and 1,302.47

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Solution

The fourth proportional to 4,380.47, 6,570.70 and 1,302.47 is: 1,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.47 : 6,570.70 = 1,302.47 : x
  2. Step 2: Convert to fraction form
    4,380.47/6,570.70 = 1,302.47/x
  3. Step 3: Cross multiply
    4,380.47x = 6,570.70 × 1,302.47
  4. Step 4: Simplify right side
    4,380.47x = 8,558,139.63
  5. Step 5: Solve for x
    x = 8,558,139.63/4,380.47
  6. Step 6: Final answer
    x = 1,953.70

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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.