Home / 7,555.02-10,416.56-5,031.60

Finding the Fourth Proportional to 7,555.02, 10,416.56 and 5,031.60

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Solution

The fourth proportional to 7,555.02, 10,416.56 and 5,031.60 is: 6,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.02 : 10,416.56 = 5,031.60 : x
  2. Step 2: Convert to fraction form
    7,555.02/10,416.56 = 5,031.60/x
  3. Step 3: Cross multiply
    7,555.02x = 10,416.56 × 5,031.60
  4. Step 4: Simplify right side
    7,555.02x = 52,411,939.23
  5. Step 5: Solve for x
    x = 52,411,939.23/7,555.02
  6. Step 6: Final answer
    x = 6,937.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.