Home / 5,256.90-7,889.45-1,970.93

Finding the Fourth Proportional to 5,256.90, 7,889.45 and 1,970.93

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Solution

The fourth proportional to 5,256.90, 7,889.45 and 1,970.93 is: 2,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.90 : 7,889.45 = 1,970.93 : x
  2. Step 2: Convert to fraction form
    5,256.90/7,889.45 = 1,970.93/x
  3. Step 3: Cross multiply
    5,256.90x = 7,889.45 × 1,970.93
  4. Step 4: Simplify right side
    5,256.90x = 15,549,574.64
  5. Step 5: Solve for x
    x = 15,549,574.64/5,256.90
  6. Step 6: Final answer
    x = 2,957.94

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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.